Bath tub



FIG. 1 is a top perspective view of a bath tub, showing my new design.

FIG. 2 is a bottom perspective view of the bath tub.

FIG. 3 is a side view of the bath tub.

FIG. 4 is a sectional view of the bath tub, taken longitudinally throughFIG. 3.

FIG. 5 is a rear view of the bath tub.

FIG. 6 is a front view of the bath tub.

FIG. 7 is a top plan view of the bath tub; and,

FIG. 8 is a bottom view of the bath tub.

CLAIM The ornamental design for a bath tub, as shown and described.